package sguigu.threee.test;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReentrantLock;

/**
 * @Author: jxm
 * @Description:
 * @Date: 2023/5/9 9:25
 * @Version: 1.0
 */
public class CollectionDemo {

    public static void main(String[] args) {

        Map<String,Object> map = new ConcurrentHashMap<>();
        map.put("k1","v2");
        map.put("k2","v2");
        map.put("k3","v2");
        map.put("k4","v2");
        map.put("k5","v2");
        map.put("k6","v2");
        map.put("k7","v2");
        map.put("k8","v2");
        map.put("k9","v2");
        map.put("k10","v2");
        map.put("k11","v2");
        map.put("k12","v2");
        map.put("k13","v2");
        map.put("k14","v2");
        map.put("k15","v2");
        map.put("k16","v2");
        map.put("k17","v2");
        ReentrantLock lock = new ReentrantLock();

    }
}
